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Sherwood Cresswell 6M X 4M Insulated Garden Room - (Upvc Windows & Doors) - Grey
Sherwood Cresswell 6M X 4M Insulated Garden Room - (Upvc Windows & Doors) - Grey
- Free Installation Service (Wooden Buildings).
- Free Insured Shipping.
- 10 Year Anti-rot Guarantee.
- Manufactured in the UK.
- Reasonable Price
- 10-15 Days Delivery
Low stock: Only 5 left
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What makes the Sherwood Cresswell 6M X 4M Insulated Garden Room suitable for year-round use?
The Sherwood Cresswell 6M X 4M Insulated Garden Room is equipped with Eco-quilt multi-foil insulation in the walls, roof, and floor, offering the same thermal performance as 100mm of glass wool. This ensures that the insulated garden room remains warm and comfortable all year round, making it ideal for use as a garden office or additional living space in the UK.
Can I use the Sherwood Cresswell as an insulated garden office?
Yes, the Sherwood Cresswell 6M X 4M Insulated Garden Room is perfect as an insulated garden office. The easily removable internal panels allow for easy installation of electrics, helping you manage cables efficiently while enjoying a comfortable and warm working environment thanks to the high-quality insulation.
Is the Sherwood Cresswell garden room insulated enough for winter use in the UK?
Absolutely. The Sherwood Cresswell features Eco-quilt insulation, which provides excellent thermal efficiency. Combined with double glazed windows and a waterproof rubber membrane on the roof, this insulated garden room ensures comfort during colder months, making it a great choice for year-round use in the UK climate.
Can I customize the design of my Sherwood Cresswell Insulated Garden Room?
Yes, the Sherwood Cresswell is customizable. You can modify the number of windows, relocate the doors, or make other adjustments to fit your needs. This flexibility makes it a perfect option for those looking for a tailored insulated garden room or garden office space.
What is the delivery process for my Sherwood Cresswell 6M X 4M Insulated Garden Room?
We offer free delivery within 7-10 working days to most UK postcodes. The Sherwood Cresswell 6M X 4M Insulated Garden Room is delivered flat-packed to the front of your property, with a two-hour delivery window to ensure convenience. You can also choose a delivery date that suits your schedule.
What materials are used to construct the Sherwood Cresswell Insulated Garden Room?
The Sherwood Cresswell 6M X 4M Insulated Garden Room is constructed using high-quality materials, including 72mm thick double-skinned shiplap cladding, tongue and groove roof and floor materials, and Eco-quilt insulation. These premium materials contribute to its durability and comfort, making it perfect for an insulated garden room or office.







The 6m x 4m Creswell is a clean and contemporary insulated garden room, perfect for those looking to add a modern extension to their garden! This all-purpose garden room has been designed and built for year round use, ideal if you’re looking for a home office, guest accommodation or simply somewhere to unwind.
So much more than a summerhouse, this building is packed with premium features as standard. The walls, roof and floor contains Eco-quilt multi-foil insulation, which provides the same insulation as 100mm of glass wool. This combined with the double glazed windows and French doors ensures a warm, welcoming and comfortable interior all year round. The 100mm double skinned walls have also been designed with an easily removable internal panel to enable you to fit and conceal any electrics you may require – perfect for tidying away all your office cables. Finally the roof is covered with a superior waterproof rubber membrane, designed to last for 50 years!
The Creswell exterior has a classic modern design with stunning architectural features. The recessed front aspect creates a beautiful frame to the building as well as providing a welcoming sheltered entrance and veranda, ideal for rainy days! The open-plan interior creates a bright and airy space, perfect for working, entertaining or sitting back and relaxing. Manufactured to order here in the UK by our highly skilled team, using only the highest grade materials, you can be confident in the quality.
Available in multiple variants, this garden room is versatile and customisable. Looking for more windows? Not a problem. Wanting to move the door location? We can do that. Just give us a call and we can discuss the options with you! Mercia Insulated Garden Rooms are manufactured here in the UK, using sustainably sourced and regulated timber.
Available variants:
-3m x 4m
-4m x 3m
-4m x 4m
-5m x 3m
-5m x 4m
-6m x 3m
-6m x 4m
Specifications
- Treatment Type: Untreated
- People Req'd To Build: Fully Fitted
- Guarantee: 10 Year Guarantee
- Cladding: Shiplap+ Cladding
- Cladd Thick: 72mm Thick Double Skinned Walls
- Roof Material: OSB & 12mm Tongue and Groove
- Floor Material: 16mm Tongue & Groove
- Door Style: Double Doors
- Building Type: Garden Room
Dimensions
- Width: 20' 2" / 6.17m
- Depth: 15' 10" / 4.85m
- Eaves Height: 7' 2" / 2.19m
- Ridge Height: 8' 0" / 2.44m
- Door Width: 4' 11" / 1.51m
- Door Height: 6' 0" / 1.85m
- Internal Width: 19' 8" / 6.0m
- Internal Depth: 13' 1" / 4.0m
- Floor Width: 20' 1" / 6.14m
- Floor Depth: 13' 6" / 4.14m
Installation Service

Sit back and let us do the hard work! Our installation service is designed to not only save you valuable time but also take the work of moving and constructing the building off your shoulders. Our fully trained, expert fitters work professionally and carefully to ensure that your new garden building is constructed safely and to the highest industry standards.
And don't worry, we make sure to clean up afterwards, taking away excess packaging and leaving you to enjoy your new building.
Learn more at: https://www.gardenarch.co.uk/pages/installation-service
Home Delivery

We offer a fast, free and reliable home delivery service with every order to most UK postcodes. With the ability to pick-a-day that suits you and your schedule, there's no need wait around for days on end.
Our friendly and punctual delivery drivers will deliver your building within 7 - 10 working days of purchase at the front of your property. All of our products are delivered flat packed, to ensure it is easy for you to move the product from the delivery location to the build site.
On the day of delivery you'll be given a two hour delivery slot and our driver will keep in contact with you, so you can make the most of your day.
Learn more at: https://www.gardenarch.co.uk/pages/delivery
GardenArch vs Other Brands
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GardenArch
- Reasonable Prices + No Fees
- Free Shipping.
- Free Installation Service (Wooden Buildings).
- Made in UK.
- 100% High Quality Materials.
- 10 Year Anti-rot Guarantee.
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Others
- Expensive Prices + Fees
- Paid Shipping (£100+).
- Paid Installation Service (£500+).
- Imported from China.
- 100% Low Quality Materials.
- 1-5 Year Anti-rot Guarantee.
The Installation Service Process





Why Choose Us?
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Free Pick A Day Delivery
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Free Installation Service
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100% Made in UK
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10 year Anti-Rot Guarantee
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100% Satisfaction Guaranteed